the north has told china more tests are planned. the european union has agreed to begin random dna checks on meat products to try to stop the spread of horse meat contamination. as more and more beef products are found to contain horse meat, feed processors, retailers, and government are all rejecting blame. reports on a confidence crisis for consumers. >> frank godfrey is an old fashioned a butcher's shop. >> before supermarkets, at this was where the british but the meat. -- bought their meat. what you see is what you get. >> it has become so large. it has become a massive machine. there is a lot of people in that machine. the more they squeeze, something has to give. >> in today's market, this may be the only place to find meet with absolute confidence, but it comes as -- at a higher price. >> to discover exactly how complex the modern food chain has become. selling to agents in another who sell to meet processing plants. that is before it reaches your local supermarket. it does not inspire confidence. the latest labeling scandal